2007-09-07-LoadStoreIdxForms.ll
1.16 KB
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; RUN: llc -verify-machineinstrs < %s -mtriple=ppc64-- -O1 | FileCheck %s
; RUN: llc -verify-machineinstrs < %s -mtriple=ppc64-- | FileCheck --check-prefix=CHECK-OPT %s
%struct.__db_region = type { %struct.__mutex_t, [4 x i8], %struct.anon, i32, [1 x i32] }
%struct.__mutex_t = type { i32 }
%struct.anon = type { i64, i64 }
define void @foo() {
entry:
%ttype = alloca i32, align 4 ; <i32*> [#uses=1]
%regs = alloca [1024 x %struct.__db_region], align 16 ; <[1024 x %struct.__db_region]*> [#uses=0]
%tmp = load i32, i32* %ttype, align 4 ; <i32> [#uses=1]
%tmp1 = call i32 (...) @bork( i32 %tmp ) ; <i32> [#uses=0]
ret void
; CHECK: @foo
; CHECK: lwzx
; CHECK: blr
; CHECK-OPT: @foo
; CHECK-OPT: lwz
; CHECK-OPT: blr
}
define signext i32 @test(i32* noalias nocapture readonly %b, i32 signext %n) {
entry:
%idxprom = sext i32 %n to i64
%arrayidx = getelementptr inbounds i32, i32* %b, i64 %idxprom
%0 = load i32, i32* %arrayidx, align 4
%mul = mul nsw i32 %0, 7
ret i32 %mul
; CHECK-OPT: @test
; CHECK-OPT: lwzx
; CHECK-OPT: blr
}
declare i32 @bork(...)