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a89d228510
This is a follow-up to r187693, correcting that code to request the correct register class. The previous version, with the wrong register class, was not really correcting the constraints, but rather was removing them. Coincidentally, this fixed the failing test case in r187693, but obviously created other problems. llvm-svn: 188407
109 lines
3.5 KiB
LLVM
109 lines
3.5 KiB
LLVM
; RUN: llc -mtriple=powerpc64-bgq-linux -mcpu=a2 < %s | FileCheck %s
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target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
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target triple = "powerpc64-bgq-linux"
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%struct.BG_CoordinateMapping_t = type { [4 x i8] }
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; Function Attrs: alwaysinline inlinehint nounwind
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define zeroext i32 @Kernel_RanksToCoords(i64 %mapsize, %struct.BG_CoordinateMapping_t* %map, i64* %numentries) #0 {
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entry:
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%mapsize.addr = alloca i64, align 8
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%map.addr = alloca %struct.BG_CoordinateMapping_t*, align 8
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%numentries.addr = alloca i64*, align 8
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%r0 = alloca i64, align 8
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%r3 = alloca i64, align 8
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%r4 = alloca i64, align 8
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%r5 = alloca i64, align 8
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%tmp = alloca i64, align 8
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store i64 %mapsize, i64* %mapsize.addr, align 8
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store %struct.BG_CoordinateMapping_t* %map, %struct.BG_CoordinateMapping_t** %map.addr, align 8
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store i64* %numentries, i64** %numentries.addr, align 8
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store i64 1055, i64* %r0, align 8
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%0 = load i64* %mapsize.addr, align 8
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store i64 %0, i64* %r3, align 8
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%1 = load %struct.BG_CoordinateMapping_t** %map.addr, align 8
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%2 = ptrtoint %struct.BG_CoordinateMapping_t* %1 to i64
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store i64 %2, i64* %r4, align 8
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%3 = load i64** %numentries.addr, align 8
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%4 = ptrtoint i64* %3 to i64
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store i64 %4, i64* %r5, align 8
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%5 = load i64* %r0, align 8
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%6 = load i64* %r3, align 8
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%7 = load i64* %r4, align 8
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%8 = load i64* %r5, align 8
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%9 = call { i64, i64, i64, i64 } asm sideeffect "sc", "={r0},={r3},={r4},={r5},{r0},{r3},{r4},{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{cr0},~{memory}"(i64 %5, i64 %6, i64 %7, i64 %8) #1, !srcloc !0
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; CHECK-LABEL: @Kernel_RanksToCoords
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; These need to be 64-bit loads, not 32-bit loads (not lwz).
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; CHECK-NOT: lwz
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; CHECK: #APP
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; CHECK: sc
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; CHECK: #NO_APP
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; CHECK: blr
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%asmresult = extractvalue { i64, i64, i64, i64 } %9, 0
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%asmresult1 = extractvalue { i64, i64, i64, i64 } %9, 1
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%asmresult2 = extractvalue { i64, i64, i64, i64 } %9, 2
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%asmresult3 = extractvalue { i64, i64, i64, i64 } %9, 3
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store i64 %asmresult, i64* %r0, align 8
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store i64 %asmresult1, i64* %r3, align 8
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store i64 %asmresult2, i64* %r4, align 8
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store i64 %asmresult3, i64* %r5, align 8
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%10 = load i64* %r3, align 8
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store i64 %10, i64* %tmp
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%11 = load i64* %tmp
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%conv = trunc i64 %11 to i32
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ret i32 %conv
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}
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declare void @mtrace()
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define signext i32 @main(i32 signext %argc, i8** %argv) {
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entry:
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%argc.addr = alloca i32, align 4
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store i32 %argc, i32* %argc.addr, align 4
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%0 = call { i64, i64 } asm sideeffect "sc", "={r0},={r3},{r0},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{cr0},~{memory}"(i64 1076)
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%asmresult1.i = extractvalue { i64, i64 } %0, 1
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%conv.i = trunc i64 %asmresult1.i to i32
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%cmp = icmp eq i32 %conv.i, 0
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br i1 %cmp, label %if.then, label %if.end
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; CHECK-LABEL: @main
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; CHECK-DAG: mr [[REG:[0-9]+]], 3
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; CHECK-DAG: li 0, 1076
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; CHECK: stw [[REG]],
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; CHECK: #APP
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; CHECK: sc
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; CHECK: #NO_APP
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; CHECK: cmpwi {{[0-9]+}}, [[REG]], 1
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; CHECK: blr
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if.then: ; preds = %entry
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call void @mtrace()
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%.pre = load i32* %argc.addr, align 4
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br label %if.end
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if.end: ; preds = %if.then, %entry
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%1 = phi i32 [ %.pre, %if.then ], [ %argc, %entry ]
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%cmp1 = icmp slt i32 %1, 2
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br i1 %cmp1, label %usage, label %if.end40
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usage:
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ret i32 8
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if.end40:
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ret i32 0
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}
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attributes #0 = { alwaysinline inlinehint nounwind }
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attributes #1 = { nounwind }
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!0 = metadata !{i32 -2146895770}
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