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llvm-mirror/test/CodeGen/ARM/load_i1_select.ll
Eli Friedman 204b6b7989 [ARM] Allow CMPZ transforms even if the input has multiple uses.
It looks like this got left in by accident in r289794; I can't think of
any reason this check would be necessary.  (Maybe it was meant to be a
check that the AND has one use? But we check that a few lines earlier.)

Differential Revision: https://reviews.llvm.org/D47921

llvm-svn: 334322
2018-06-08 21:16:56 +00:00

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LLVM

; RUN: llc < %s | FileCheck %s
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
target triple = "thumbv7-apple-ios0.0.0"
; Codegen should only compare one bit of the loaded value.
; rdar://10887484
; CHECK-LABEL: foo:
; CHECK: ldrb r[[R0:[0-9]+]], [r0]
; CHECK: lsls r{{[0-9]+}}, r[[R0]], #31
define void @foo(i8* %call, double* %p) nounwind {
entry:
%tmp2 = load i8, i8* %call
%tmp3 = trunc i8 %tmp2 to i1
%cond = select i1 %tmp3, double 2.000000e+00, double 1.000000e+00
store double %cond, double* %p
ret void
}