derek.holloway
7502bf64a4
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29 lines
1.1 KiB
LLVM
29 lines
1.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt %s -passes='function(scalarizer<load-store>,dce)' -S | FileCheck --check-prefixes=ALL %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-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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; Test that constant extracts are nicely scalarized
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define i32 @f1(ptr %src, i32 %index) {
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; ALL-LABEL: @f1(
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; ALL-NEXT: [[SRC_I3:%.*]] = getelementptr i32, ptr [[SRC:%.*]], i32 3
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; ALL-NEXT: [[VAL0_I3:%.*]] = load i32, ptr [[SRC_I3]], align 4
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; ALL-NEXT: [[VAL1_I3:%.*]] = shl i32 4, [[VAL0_I3]]
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; ALL-NEXT: ret i32 [[VAL1_I3]]
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;
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%val0 = load <4 x i32> , ptr %src
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%val1 = shl <4 x i32> <i32 1, i32 2, i32 3, i32 4>, %val0
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%val2 = extractelement <4 x i32> %val1, i32 3
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ret i32 %val2
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}
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; Test that out-of-bounds extractelement doesn't crash the scalarizer.
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define ptr @oob_extract() {
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; ALL-LABEL: @oob_extract(
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; ALL-NEXT: [[E:%.*]] = extractelement <4 x ptr> splat (ptr null), i32 100
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; ALL-NEXT: ret ptr [[E]]
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;
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%E = extractelement <4 x ptr> zeroinitializer, i32 100
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ret ptr %E
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}
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