llvm/test/CodeGen/X86/isel-sink3.ll
2009-09-08 23:54:48 +00:00

26 lines
833 B
LLVM

; RUN: llc < %s | grep {addl.\$4, %ecx}
; RUN: llc < %s | not grep leal
; this should not sink %1 into bb1, that would increase reg pressure.
; rdar://6399178
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i386-apple-darwin7"
define i32 @bar(i32** %P) nounwind {
entry:
%0 = load i32** %P, align 4 ; <i32*> [#uses=2]
%1 = getelementptr i32* %0, i32 1 ; <i32*> [#uses=1]
%2 = icmp ugt i32* %1, inttoptr (i64 1233 to i32*) ; <i1> [#uses=1]
br i1 %2, label %bb1, label %bb
bb: ; preds = %entry
store i32* inttoptr (i64 123 to i32*), i32** %P, align 4
br label %bb1
bb1: ; preds = %entry, %bb
%3 = getelementptr i32* %1, i32 1 ; <i32*> [#uses=1]
%4 = load i32* %3, align 4 ; <i32> [#uses=1]
ret i32 %4
}