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llvm-mirror/test/Transforms/GVN/propagate-ir-flags.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

30 lines
755 B
LLVM

; RUN: opt < %s -gvn -S | FileCheck %s
; CHECK-LABEL: func_fast
; CHECK: fadd fast double
; CHECK-NEXT: store
; CHECK-NEXT: ret
define double @func_fast(double %a, double %b) {
entry:
%a.addr = alloca double, align 8
%add = fadd fast double %b, 3.000000e+00
store double %add, double* %a.addr, align 8
%load_add = load double, double* %a.addr, align 8
ret double %load_add
}
; CHECK-LABEL: func_no_fast
; CHECK: fadd double
; CHECK-NEXT: store
; CHECK-NEXT: ret
define double @func_no_fast(double %a, double %b) {
entry:
%a.addr = alloca double, align 8
%add = fadd fast double %b, 3.000000e+00
store double %add, double* %a.addr, align 8
%duplicated_add = fadd double %b, 3.000000e+00
ret double %duplicated_add
}