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[InstSimplify] Add test for load of aggregate (NFC) 

The test is switched to use -instsimplify as it is in the
InstSimplify directory. In this particular case InstCombine does
fold the load (in a very roundabout way), but InstSimplify does not.
This commit is contained in:
Nikita Popov 2021-12-10 16:11:32 +01:00
parent fcf7490028
commit 9c244a33e7
1 changed files with 11 additions and 2 deletions
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13
llvm/test/Transforms/InstSimplify/ConstProp/loads.ll
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@ -1,6 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -data-layout="e-p:64:64:64-p1:16:16:16-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" -instcombine -S | FileCheck %s --check-prefixes=CHECK,LE
; RUN: opt < %s -data-layout="E-p:64:64:64-p1:16:16:16-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" -instcombine -S | FileCheck %s --check-prefixes=CHECK,BE
; RUN: opt < %s -data-layout="e-p:64:64:64-p1:16:16:16-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" -instsimplify -S | FileCheck %s --check-prefixes=CHECK,LE
; RUN: opt < %s -data-layout="E-p:64:64:64-p1:16:16:16-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" -instsimplify -S | FileCheck %s --check-prefixes=CHECK,BE
; {{ 0xDEADBEEF, 0xBA }, 0xCAFEBABE}
@g1 = constant {{i32,i8},i32} {{i32,i8} { i32 -559038737, i8 186 }, i32 -889275714 }
@ -272,3 +272,12 @@ define {}* @test_trailing_zero_gep_index() {
%v = load {}*, {}** bitcast (i8* getelementptr inbounds (<{ [8 x i8], [8 x i8] }>, <{ [8 x i8], [8 x i8] }>* @g11, i32 0, i32 1, i32 0) to {}**), align 4
ret {}* %v
}
define { i64, i64 } @test_load_struct() {
; CHECK-LABEL: @test_load_struct(
; CHECK-NEXT: [[V:%.*]] = load { i64, i64 }, { i64, i64 }* @g3, align 8
; CHECK-NEXT: ret { i64, i64 } [[V]]
;
%v = load { i64, i64 }, { i64, i64 }* @g3
ret { i64, i64 } %v
}