9486becf09
Doing this means that if an LEApcrel is used in two places we will rematerialize instead of generating two MOVs. This is particularly useful for printfs using the same format string, where we want to generate an address into a register that's going to get corrupted by the call. Differential Revision: https://reviews.llvm.org/D32858 llvm-svn: 303054
52 lines
2.2 KiB
LLVM
52 lines
2.2 KiB
LLVM
; RUN: llc -mtriple=thumbv7 -o - %s | FileCheck %s
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; p5 will have been pushed to the stack. Check that it's correctly aligned by
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; looking at the offset of the instruction that loads it. Note that this is
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; very fragile and this test may need to be updated if we happen to spill more
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; or less to the stack.
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; CHECK: ldr{{(.w)?}} r{{[0-9]+}}, [sp, #2104]
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%struct.struct_2 = type { [172 x %struct.struct_1] }
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%struct.struct_1 = type { i32, i32, i32 }
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@.str = private unnamed_addr constant [2 x i8] c"a\00", align 1
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@.str.1 = private unnamed_addr constant [2 x i8] c"b\00", align 1
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@.str.2 = private unnamed_addr constant [2 x i8] c"c\00", align 1
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@.str.3 = private unnamed_addr constant [2 x i8] c"d\00", align 1
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declare i32* @_Z4bar3iiPKcS0_i(i32, i32, i8*, i8*, i32)
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declare void @_Z4bar1i8struct_2(i32, %struct.struct_2* byval align 4)
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declare i32 @_Z4bar2PiPKc(i32*, i8*)
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define void @_Z3fooiiiii(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5) #0 {
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entry:
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%params = alloca %struct.struct_2, align 4
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%0 = bitcast %struct.struct_2* %params to i8*
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br label %for.body
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for.body:
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%i.015 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
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%call = tail call i32* @_Z4bar3iiPKcS0_i(i32 %p1, i32 %p5, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i32 0, i32 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i32 0, i32 0), i32 %i.015) #4
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%cmp1 = icmp eq i32* %call, null
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br i1 %cmp1, label %cleanup.8, label %for.inc
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for.inc:
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%call2 = tail call i32 @_Z4bar2PiPKc(i32* %call, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i32 0, i32 0)) #4
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%f1 = getelementptr inbounds %struct.struct_2, %struct.struct_2* %params, i32 0, i32 0, i32 %i.015, i32 0
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store i32 %call2, i32* %f1, align 4
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%call3 = tail call i32 @_Z4bar2PiPKc(i32* %call, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i32 0, i32 0)) #4
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%f2 = getelementptr inbounds %struct.struct_2, %struct.struct_2* %params, i32 0, i32 0, i32 %i.015, i32 1
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store i32 %call3, i32* %f2, align 4
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%inc = add nuw nsw i32 %i.015, 1
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%cmp = icmp slt i32 %inc, 4
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br i1 %cmp, label %for.body, label %for.end
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for.end:
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call void @_Z4bar1i8struct_2(i32 %p4, %struct.struct_2* byval nonnull align 4 %params) #4
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br label %cleanup.8
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cleanup.8:
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ret void
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}
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