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3a95d7d098
`-fapprox-func` should be disabled by `-fp-model={strict|precise}`,
as well as other fast-math flags. See the last changes in
`clang/test/Driver/fp-model.c`.
Probably this route (`case options::OPT_ffp_model_EQ`) was forgot
to update in D106191 and D114564. There is no appropriate reason not
to disable the flag.
This commit also updates other regression tests, which are not directly
related to this bug, for consistency with other fast-math flags.
Differential Revision: https://reviews.llvm.org/D138109
196 lines
9.4 KiB
C
196 lines
9.4 KiB
C
// Test that incompatible combinations of -ffp-model= options
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// and other floating point options get a warning diagnostic.
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//
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// RUN: %clang -### -ffp-model=fast -ffp-contract=off -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=WARN %s
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// WARN: warning: overriding '-ffp-model=fast' option with '-ffp-contract=off' [-Woverriding-t-option]
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// RUN: %clang -### -ffp-model=fast -ffp-contract=on -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=WARN1 %s
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// WARN1: warning: overriding '-ffp-model=fast' option with '-ffp-contract=on' [-Woverriding-t-option]
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// RUN: %clang -### -ffp-model=strict -fassociative-math -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=WARN2 %s
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// WARN2: warning: overriding '-ffp-model=strict' option with '-fassociative-math' [-Woverriding-t-option]
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// RUN: %clang -### -ffp-model=strict -ffast-math -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=WARN3 %s
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// WARN3: warning: overriding '-ffp-model=strict' option with '-ffast-math' [-Woverriding-t-option]
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// RUN: %clang -### -ffp-model=strict -ffinite-math-only -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=WARN4 %s
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// WARN4: warning: overriding '-ffp-model=strict' option with '-ffinite-math-only' [-Woverriding-t-option]
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// RUN: %clang -### -ffp-model=strict -ffp-contract=fast -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=WARN5 %s
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// WARN5: warning: overriding '-ffp-model=strict' option with '-ffp-contract=fast' [-Woverriding-t-option]
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// RUN: %clang -### -ffp-model=strict -ffp-contract=on -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=WARN7 %s
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// WARN7: warning: overriding '-ffp-model=strict' option with '-ffp-contract=on' [-Woverriding-t-option]
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// RUN: %clang -### -ffp-model=strict -fno-honor-infinities -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=WARN8 %s
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// WARN8: warning: overriding '-ffp-model=strict' option with '-fno-honor-infinities' [-Woverriding-t-option]
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// RUN: %clang -### -ffp-model=strict -fno-honor-nans -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=WARN9 %s
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// WARN9: warning: overriding '-ffp-model=strict' option with '-fno-honor-nans' [-Woverriding-t-option]
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// RUN: %clang -### -ffp-model=strict -fno-rounding-math -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=WARNa %s
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// WARNa: warning: overriding '-ffp-model=strict' option with '-fno-rounding-math' [-Woverriding-t-option]
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// RUN: %clang -### -ffp-model=strict -fno-signed-zeros -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=WARNb %s
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// WARNb: warning: overriding '-ffp-model=strict' option with '-fno-signed-zeros' [-Woverriding-t-option]
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// RUN: %clang -### -ffp-model=strict -fno-trapping-math -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=WARNc %s
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// WARNc: warning: overriding '-ffp-model=strict' option with '-fno-trapping-math' [-Woverriding-t-option]
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// RUN: %clang -### -ffp-model=strict -freciprocal-math -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=WARNd %s
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// WARNd: warning: overriding '-ffp-model=strict' option with '-freciprocal-math' [-Woverriding-t-option]
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// RUN: %clang -### -ffp-model=strict -funsafe-math-optimizations -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=WARNe %s
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// WARNe: warning: overriding '-ffp-model=strict' option with '-funsafe-math-optimizations' [-Woverriding-t-option]
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// RUN: %clang -### -ffp-model=strict -Ofast -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=WARNf %s
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// WARNf: warning: overriding '-ffp-model=strict' option with '-Ofast' [-Woverriding-t-option]
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// RUN: %clang -### -ffp-model=strict -fdenormal-fp-math=preserve-sign,preserve-sign -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=WARN10 %s
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// WARN10: warning: overriding '-ffp-model=strict' option with '-fdenormal-fp-math=preserve-sign,preserve-sign' [-Woverriding-t-option]
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// RUN: %clang -### -ffp-model=fast -ffp-model=strict -c %s 2>&1 | FileCheck \
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// RUN: --check-prefix=WARN11 %s
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// WARN11: warning: overriding '-ffp-model=fast' option with '-ffp-model=strict' [-Woverriding-t-option]
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// WARN11-NOT: warning: overriding '-ffp-model=strict' option with '-ffp-model=strict' [-Woverriding-t-option]
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// RUN: %clang -### -Ofast -ffp-model=strict -c %s 2>&1 | FileCheck \
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// RUN: --check-prefix=WARN12 %s
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// RUN: %clang -### -ffast-math -ffp-model=strict -c %s 2>&1 | FileCheck \
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// RUN: --check-prefix=WARN12 %s
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// WARN12-NOT: warning: overriding '-ffp-model=strict' option with '-ffp-model=strict' [-Woverriding-t-option]
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// RUN: %clang -### -ffp-model=strict -fapprox-func -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=WARN13 %s
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// WARN13: warning: overriding '-ffp-model=strict' option with '-fapprox-func' [-Woverriding-t-option]
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// RUN: %clang -### -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=CHECK-NOROUND %s
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// CHECK-NOROUND: "-cc1"
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// CHECK-NOROUND: "-fno-rounding-math"
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// RUN: %clang -### -frounding-math -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=CHECK-ROUND --implicit-check-not ffp-exception-behavior=strict %s
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// CHECK-ROUND: "-cc1"
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// CHECK-ROUND: "-frounding-math"
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// RUN: %clang -### -ftrapping-math -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=CHECK-TRAP %s
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// CHECK-TRAP: "-cc1"
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// CHECK-TRAP: "-ffp-exception-behavior=strict"
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// RUN: %clang -### -nostdinc -ffp-model=fast -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=CHECK-FPM-FAST %s
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// CHECK-FPM-FAST: "-cc1"
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// CHECK-FPM-FAST: "-menable-no-infs"
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// CHECK-FPM-FAST: "-menable-no-nans"
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// CHECK-FPM-FAST: "-fapprox-func"
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// CHECK-FPM-FAST: "-funsafe-math-optimizations"
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// CHECK-FPM-FAST: "-fno-signed-zeros"
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// CHECK-FPM-FAST: "-mreassociate"
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// CHECK-FPM-FAST: "-freciprocal-math"
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// CHECK-FPM-FAST: "-ffp-contract=fast"
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// CHECK-FPM-FAST: "-fno-rounding-math"
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// CHECK-FPM-FAST: "-ffast-math"
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// CHECK-FPM-FAST: "-ffinite-math-only"
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// RUN: %clang -### -nostdinc -ffp-model=precise -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=CHECK-FPM-PRECISE %s
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// CHECK-FPM-PRECISE: "-cc1"
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// CHECK-FPM-PRECISE: "-ffp-contract=on"
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// CHECK-FPM-PRECISE: "-fno-rounding-math"
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// RUN: %clang -### -nostdinc -ffp-model=strict -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=CHECK-FPM-STRICT %s
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// CHECK-FPM-STRICT: "-cc1"
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// CHECK-FPM-STRICT: "-frounding-math"
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// CHECK-FPM-STRICT: "-ffp-exception-behavior=strict"
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// RUN: %clang -### -nostdinc -ffp-model=strict -ffp-model=fast -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=CHECK-NO-EXCEPT %s
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// RUN: %clang -### -nostdinc -ffp-model=strict -ffast-math -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=CHECK-NO-EXCEPT %s
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// RUN: %clang -### -nostdinc -ffp-model=strict -Ofast -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=CHECK-NO-EXCEPT %s
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// CHECK-NO-EXCEPT-NOT: "-ffp-exception-behavior=strict"
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// RUN: %clang -### -nostdinc -ffp-exception-behavior=strict -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=CHECK-FEB-STRICT %s
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// CHECK-FEB-STRICT: "-cc1"
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// CHECK-FEB-STRICT: "-fno-rounding-math"
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// CHECK-FEB-STRICT: "-ffp-exception-behavior=strict"
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// RUN: %clang -### -nostdinc -ffp-exception-behavior=maytrap -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=CHECK-FEB-MAYTRAP %s
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// CHECK-FEB-MAYTRAP: "-cc1"
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// CHECK-FEB-MAYTRAP: "-fno-rounding-math"
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// CHECK-FEB-MAYTRAP: "-ffp-exception-behavior=maytrap"
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// RUN: %clang -### -nostdinc -ffp-exception-behavior=ignore -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=CHECK-FEB-IGNORE %s
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// CHECK-FEB-IGNORE: "-cc1"
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// CHECK-FEB-IGNORE: "-fno-rounding-math"
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// CHECK-FEB-IGNORE: "-ffp-exception-behavior=ignore"
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// RUN: %clang -### -nostdinc -ffast-math -ffp-model=fast -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=CHECK-FASTMATH-FPM-FAST %s
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// CHECK-FASTMATH-FPM-FAST: "-cc1"
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// CHECK-FASTMATH-FPM-FAST: "-menable-no-infs"
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// CHECK-FASTMATH-FPM-FAST: "-menable-no-nans"
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// CHECK-FASTMATH-FPM-FAST: "-fapprox-func"
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// CHECK-FASTMATH-FPM-FAST: "-funsafe-math-optimizations"
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// CHECK-FASTMATH-FPM-FAST: "-fno-signed-zeros"
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// CHECK-FASTMATH-FPM-FAST: "-mreassociate"
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// CHECK-FASTMATH-FPM-FAST: "-freciprocal-math"
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// CHECK-FASTMATH-FPM-FAST: "-ffp-contract=fast"
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// CHECK-FASTMATH-FPM-FAST: "-fno-rounding-math"
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// CHECK-FASTMATH-FPM-FAST: "-ffast-math"
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// CHECK-FASTMATH-FPM-FAST: "-ffinite-math-only"
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// RUN: %clang -### -nostdinc -ffast-math -ffp-model=precise -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=CHECK-FASTMATH-FPM-PRECISE %s
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// CHECK-FASTMATH-FPM-PRECISE: "-cc1"
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// CHECK-FASTMATH-FPM-PRECISE-NOT: "-menable-no-infs"
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// CHECK-FASTMATH-FPM-PRECISE-NOT: "-menable-no-nans"
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// CHECK-FASTMATH-FPM-PRECISE-NOT: "-fapprox-func"
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// CHECK-FASTMATH-FPM-PRECISE-NOT: "-funsafe-math-optimizations"
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// CHECK-FASTMATH-FPM-PRECISE-NOT: "-fno-signed-zeros"
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// CHECK-FASTMATH-FPM-PRECISE-NOT: "-mreassociate"
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// CHECK-FASTMATH-FPM-PRECISE-NOT: "-freciprocal-math"
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// CHECK-FASTMATH-FPM-PRECISE: "-ffp-contract=on"
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// CHECK-FASTMATH-FPM-PRECISE: "-fno-rounding-math"
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// CHECK-FASTMATH-FPM-PRECISE-NOT: "-ffast-math"
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// CHECK-FASTMATH-FPM-PRECISE-NOT: "-ffinite-math-only"
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// RUN: %clang -### -nostdinc -ffast-math -ffp-model=strict -c %s 2>&1 \
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// RUN: | FileCheck --check-prefix=CHECK-FASTMATH-FPM-STRICT %s
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// CHECK-FASTMATH-FPM-STRICT: "-cc1"
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// CHECK-FASTMATH-FPM-STRICT-NOT: "-menable-no-infs"
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// CHECK-FASTMATH-FPM-STRICT-NOT: "-menable-no-nans"
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// CHECK-FASTMATH-FPM-STRICT-NOT: "-fapprox-func"
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// CHECK-FASTMATH-FPM-STRICT-NOT: "-funsafe-math-optimizations"
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// CHECK-FASTMATH-FPM-STRICT-NOT: "-fno-signed-zeros"
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// CHECK-FASTMATH-FPM-STRICT-NOT: "-mreassociate"
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// CHECK-FASTMATH-FPM-STRICT-NOT: "-freciprocal-math"
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// CHECK-FASTMATH-FPM-STRICT: "-ffp-contract=off"
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// CHECK-FASTMATH-FPM-STRICT-NOT: "-fno-rounding-math"
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// CHECK-FASTMATH-FPM-STRICT-NOT: "-ffast-math"
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// CHECK-FASTMATH-FPM-STRICT-NOT: "-ffinite-math-only"
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