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llvm-mirror/test/Transforms/SimplifyCFG/2008-01-02-hoist-fp-add.ll
Dan Gohman 205b641954 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.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

27 lines
1.0 KiB
LLVM

; The phi should not be eliminated in this case, because the fp op could trap.
; RUN: opt < %s -simplifycfg -S | grep {= phi double}
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 = "i686-apple-darwin8"
@G = weak global double 0.000000e+00, align 8 ; <double*> [#uses=2]
define void @test(i32 %X, i32 %Y, double %Z) {
entry:
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%tmp = load double* @G, align 8 ; <double> [#uses=2]
%tmp3 = icmp eq i32 %X, %Y ; <i1> [#uses=1]
%tmp34 = zext i1 %tmp3 to i8 ; <i8> [#uses=1]
%toBool = icmp ne i8 %tmp34, 0 ; <i1> [#uses=1]
br i1 %toBool, label %cond_true, label %cond_next
cond_true: ; preds = %entry
%tmp7 = fadd double %tmp, %Z ; <double> [#uses=1]
br label %cond_next
cond_next: ; preds = %cond_true, %entry
%F.0 = phi double [ %tmp, %entry ], [ %tmp7, %cond_true ] ; <double> [#uses=1]
store double %F.0, double* @G, align 8
ret void
}