llvm/test/Analysis/ScalarEvolution/sext-iv-1.ll
Dan Gohman f2f6ce65b7 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

101 lines
3.7 KiB
LLVM

; RUN: opt < %s -disable-output -scalar-evolution -analyze \
; RUN: | grep { --> (sext i. \{.\*,+,.\*\}<bb1> to i64)} | count 5
; Don't convert (sext {...,+,...}) to {sext(...),+,sext(...)} in cases
; where the trip count is not within range.
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
target triple = "x86_64-unknown-linux-gnu"
define void @foo0(double* nocapture %x) nounwind {
bb1.thread:
br label %bb1
bb1: ; preds = %bb1, %bb1.thread
%i.0.reg2mem.0 = phi i64 [ -128, %bb1.thread ], [ %8, %bb1 ] ; <i64> [#uses=3]
%0 = trunc i64 %i.0.reg2mem.0 to i7 ; <i8> [#uses=1]
%1 = trunc i64 %i.0.reg2mem.0 to i9 ; <i8> [#uses=1]
%2 = sext i9 %1 to i64 ; <i64> [#uses=1]
%3 = getelementptr double* %x, i64 %2 ; <double*> [#uses=1]
%4 = load double* %3, align 8 ; <double> [#uses=1]
%5 = fmul double %4, 3.900000e+00 ; <double> [#uses=1]
%6 = sext i7 %0 to i64 ; <i64> [#uses=1]
%7 = getelementptr double* %x, i64 %6 ; <double*> [#uses=1]
store double %5, double* %7, align 8
%8 = add i64 %i.0.reg2mem.0, 1 ; <i64> [#uses=2]
%9 = icmp sgt i64 %8, 127 ; <i1> [#uses=1]
br i1 %9, label %return, label %bb1
return: ; preds = %bb1
ret void
}
define void @foo1(double* nocapture %x) nounwind {
bb1.thread:
br label %bb1
bb1: ; preds = %bb1, %bb1.thread
%i.0.reg2mem.0 = phi i64 [ -128, %bb1.thread ], [ %8, %bb1 ] ; <i64> [#uses=3]
%0 = trunc i64 %i.0.reg2mem.0 to i8 ; <i8> [#uses=1]
%1 = trunc i64 %i.0.reg2mem.0 to i9 ; <i8> [#uses=1]
%2 = sext i9 %1 to i64 ; <i64> [#uses=1]
%3 = getelementptr double* %x, i64 %2 ; <double*> [#uses=1]
%4 = load double* %3, align 8 ; <double> [#uses=1]
%5 = fmul double %4, 3.900000e+00 ; <double> [#uses=1]
%6 = sext i8 %0 to i64 ; <i64> [#uses=1]
%7 = getelementptr double* %x, i64 %6 ; <double*> [#uses=1]
store double %5, double* %7, align 8
%8 = add i64 %i.0.reg2mem.0, 1 ; <i64> [#uses=2]
%9 = icmp sgt i64 %8, 128 ; <i1> [#uses=1]
br i1 %9, label %return, label %bb1
return: ; preds = %bb1
ret void
}
define void @foo2(double* nocapture %x) nounwind {
bb1.thread:
br label %bb1
bb1: ; preds = %bb1, %bb1.thread
%i.0.reg2mem.0 = phi i64 [ -129, %bb1.thread ], [ %8, %bb1 ] ; <i64> [#uses=3]
%0 = trunc i64 %i.0.reg2mem.0 to i8 ; <i8> [#uses=1]
%1 = trunc i64 %i.0.reg2mem.0 to i9 ; <i8> [#uses=1]
%2 = sext i9 %1 to i64 ; <i64> [#uses=1]
%3 = getelementptr double* %x, i64 %2 ; <double*> [#uses=1]
%4 = load double* %3, align 8 ; <double> [#uses=1]
%5 = fmul double %4, 3.900000e+00 ; <double> [#uses=1]
%6 = sext i8 %0 to i64 ; <i64> [#uses=1]
%7 = getelementptr double* %x, i64 %6 ; <double*> [#uses=1]
store double %5, double* %7, align 8
%8 = add i64 %i.0.reg2mem.0, 1 ; <i64> [#uses=2]
%9 = icmp sgt i64 %8, 127 ; <i1> [#uses=1]
br i1 %9, label %return, label %bb1
return: ; preds = %bb1
ret void
}
define void @foo3(double* nocapture %x) nounwind {
bb1.thread:
br label %bb1
bb1: ; preds = %bb1, %bb1.thread
%i.0.reg2mem.0 = phi i64 [ -128, %bb1.thread ], [ %8, %bb1 ] ; <i64> [#uses=3]
%0 = trunc i64 %i.0.reg2mem.0 to i8 ; <i8> [#uses=1]
%1 = trunc i64 %i.0.reg2mem.0 to i9 ; <i8> [#uses=1]
%2 = sext i9 %1 to i64 ; <i64> [#uses=1]
%3 = getelementptr double* %x, i64 %2 ; <double*> [#uses=1]
%4 = load double* %3, align 8 ; <double> [#uses=1]
%5 = fmul double %4, 3.900000e+00 ; <double> [#uses=1]
%6 = sext i8 %0 to i64 ; <i64> [#uses=1]
%7 = getelementptr double* %x, i64 %6 ; <double*> [#uses=1]
store double %5, double* %7, align 8
%8 = add i64 %i.0.reg2mem.0, -1 ; <i64> [#uses=2]
%9 = icmp sgt i64 %8, 127 ; <i1> [#uses=1]
br i1 %9, label %return, label %bb1
return: ; preds = %bb1
ret void
}